The Honeywell TH421OU2002 Programmable Thermostat is a reliable choice for maintaining the ideal temperature in your home. With a sleek white design and a rectangular shape, this thermostat is easy to read and operate. Its 6-wire wire configuration allows for compatibility with for Honeywell systems, and it features a programmable control style with push-button convenience. This thermostat also has the added features of digital display, automatic changeover, battery backup, and Z-Wave compatibility, making it a versatile and efficient option for any heating and cooling system.

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